
## Snakes on a Payload
## Copyright (C) 2011 CORE Security Technologies
##
## This program is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License
## as published by the Free Software Foundation; either version 2
## of the License, or (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
##
## Authors:
## 2011/09/11 - Pedro Varangot (pvarangot@)
## 2011/09/11 - Fernando Russ (fruss@)



import tempfile
import subprocess

def ObjCopy(arch, layout, elffile):
        
    args = [arch.toolchain.objcopy]
    args.append("-Obinary")
    args.extend( [ "-j%s" % x for x in layout] )
    args.append(elffile)
    with tempfile.NamedTemporaryFile() as tf:            
        args.append(tf.name)
        subprocess.check_call(args)
        return bytearray( tf.read() )
